. "stable"@en . "318.0"^^ . "314.75"^^ . . . . "Coal."@en . . "Dalmellington Upper Ell Coal (South Ayrshire)"@en . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Duckmantian Substage (Carboniferous Period) (318-314.75 Ma BP)."@en . "Dalmellington Upper Ell Coal (South Ayrshire)"@en . . . . "DUE"@en .